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Weekly Routing Table Report
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Routing Table Analysis
cscora at thyme.apnic.net
Fri Feb 13 19:07:10 CET 2004
This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. Daily listings are sent to bgp-stats at lists.apnic.net If you have any comments please contact Philip Smith <pfs at cisco.com>. Routing Table Report 04:00 +10GMT Sat 14 Feb, 2004 Analysis Summary ---------------- BGP routing table entries examined: 133324 Prefixes after maximum aggregation: 81625 Unique aggregates announced to Internet: 64110 Total ASes present in the Internet Routing Table: 16626 Origin-only ASes present in the Internet Routing Table: 14424 Origin ASes announcing only one prefix: 6650 Transit ASes present in the Internet Routing Table: 2202 Transit-only ASes present in the Internet Routing Table: 65 Average AS path length visible in the Internet Routing Table: 4.9 Max AS path length visible: 20 Illegal AS announcements present in the Routing Table: 4 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 15 Number of addresses announced to Internet: 1286255524 Equivalent to 76 /8s, 170 /16s and 179 /24s Percentage of available address space announced: 34.7 Percentage of allocated address space announced: 59.6 Percentage of available address space allocated: 58.2 Total number of prefixes smaller than registry allocations: 59118 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 24710 Total APNIC prefixes after maximum aggregation: 13167 Prefixes being announced from the APNIC address blocks: 23118 Unique aggregates announced from the APNIC address blocks: 13146 APNIC Region origin ASes present in the Internet Routing Table: 1993 APNIC Region origin ASes announcing only one prefix: 592 APNIC Region transit ASes present in the Internet Routing Table: 324 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 136133504 Equivalent to 8 /8s, 29 /16s and 59 /24s Percentage of available APNIC address space announced: 73.3 APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239 17408 - 18431, 23552 - 24575 APNIC Address Blocks 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 77966 Total ARIN prefixes after maximum aggregation: 48177 Prefixes being announced from the ARIN address blocks: 60346 Unique aggregates announced from the ARIN address blocks: 20779 ARIN Region origin ASes present in the Internet Routing Table: 8945 ARIN Region origin ASes announcing only one prefix: 3168 ARIN Region transit ASes present in the Internet Routing Table: 865 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 217041248 Equivalent to 12 /8s, 239 /16s and 201 /24s Percentage of available ARIN address space announced: 71.9 ARIN AS Blocks 1 - 1876, 1902 - 2042, 2044 - 2046, 2048 - 2106 2138 - 2584, 2615 - 2772, 2823 - 2829, 2880 - 3153 3354 - 4607, 4865 - 5119, 5632 - 6655, 6912 - 7466 7723 - 8191, 10240 - 12287, 13312 - 15359 16384 - 17407, 18432 - 20479, 21504 - 23551 25600 - 26591, 26624 - 27647, 29695 - 30719 31744 - 32767 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/8, 198/7, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 23994 Total RIPE prefixes after maximum aggregation: 17401 Prefixes being announced from the RIPE address blocks: 20832 Unique aggregates announced from the RIPE address blocks: 13794 RIPE Region origin ASes present in the Internet Routing Table: 5163 RIPE Region origin ASes announcing only one prefix: 2762 RIPE Region transit ASes present in the Internet Routing Table: 895 Average RIPE Region AS path length visible: 5.5 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 151500288 Equivalent to 9 /8s, 7 /16s and 182 /24s Percentage of available RIPE address space announced: 69.5 RIPE AS Blocks 1877 - 1901, 2043, 2047, 2107 - 2136, 2585 - 2614 2773 - 2822, 2830 - 2879, 3154 - 3353, 5377 - 5631 6656 - 6911, 8192 - 9215, 12288 - 13311, 15360 - 16383 20480 - 21503, 24576 - 25599, 28672 - 29695 30720 - 31743 RIPE Address Blocks 62/8, 80/6, 84/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 5489 Total LACNIC prefixes after maximum aggregation: 2202 Prefixes being announced from the LACNIC address blocks: 5147 Unique aggregates announced from the LACNIC address blocks: 3268 LACNIC Region origin ASes present in the Internet Routing Table: 368 LACNIC Region origin ASes announcing only one prefix: 102 LACNIC Region transit ASes present in the Internet Routing Table: 69 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 14 Number of LACNIC addresses announced to Internet: 14193408 Equivalent to 0 /8s, 216 /16s and 147 /24s Percentage of available LACNIC address space announced: 42.3 LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1163 Total AfriNIC prefixes after maximum aggregation: 678 Prefixes being announced from the AfriNIC address blocks: 740 Unique aggregates announced from the AfriNIC address blocks: 567 AfriNIC Region origin ASes present in the Internet Routing Table: 92 AfriNIC Region origin ASes announcing only one prefix: 26 AfriNIC Region transit ASes present in the Internet Routing Table: 11 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 1766144 Equivalent to 0 /8s, 26 /16s and 243 /24s Percentage of available AfriNIC address space announced: 10.5 AfriNIC AS Blocks <none> AfriNIC Address Blocks 196/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1221 942 1120 665 Telstra Pty Ltd 4134 669 2491 118 Data Communications Bureau 4766 414 2910 239 Korea Internet Exchange for " 2907 358 1814 335 SINET Japan 4755 355 130 59 Videsh Sanchar Nigam Ltd. Aut 9443 345 69 80 Primus Telecommunications 9583 341 42 24 Satyam Infoway Ltd., 703 339 374 262 UUNET 17557 324 23 158 Pakistan Telecom 17676 296 4364 37 XTAGE CORPORATION 2764 288 273 240 connect.com.au pty ltd 7474 273 305 213 Optus Communications Pty Ltd 9942 227 69 130 COMindico Australia 9929 222 154 31 China Netcom Corp. 9800 214 347 55 CHINA UNICOM 9498 191 30 34 BHARTI BT INTERNET LTD. 17964 151 120 61 Beijing Dian-Xin-Tong Network 4837 150 1521 99 chinanet IDC center beijing n 4739 148 60 135 Commerical Internet eXchange 17642 147 39 108 RequestDSL BGP AS# for Sydney ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1399 7009 985 AT&T 701 1365 8614 963 UUNET Technologies, Inc. 1239 946 3096 660 Sprint 3356 817 10920 651 Level 3 Communications, LLC 6197 732 442 269 BellSouth Network Solutions, 209 719 3534 509 Qwest 18566 688 192 9 Covad Communications 4323 686 544 202 Time Warner Communications, I 20115 603 338 338 Charter Communications 6198 546 354 196 BellSouth Network Solutions, 7843 506 576 128 Adelphia Corp. 852 503 1123 399 Telus Advanced Communications 7066 498 207 271 Virginia Polytechnic Institut 7132 455 7577 314 Southwestern Bell Internet Se 2386 421 578 222 AT&T Data Communications Serv 690 398 58 268 Merit Network 4355 397 323 103 EarthLink, Inc. 19029 387 168 248 New Edge Networks 27364 382 28 23 Armstrong Cable Services 376 381 359 114 Reseau Interordinateurs Scien RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 685 2073 571 UUNET - Commercial IP service 3301 336 1174 315 TeliaNet Sweden 3320 284 1971 231 Deutsche Telekom AG 8220 268 411 254 COLT Internet - International 680 241 2027 237 DFN-IP service G-WiN 719 234 288 105 LANLINK autonomous system 1257 228 506 192 SWIPnet Swedish IP Network 13083 216 51 8 Mannesmann Datenverarbeitung 3246 189 431 187 Song Networks 786 175 1826 175 The JANET IP Service 8708 171 111 162 Romania Data Systems S.A. 5515 169 762 135 Sonera Solution Autonomous Sy 25186 168 201 109 France Telecom Transpac's Tra 3215 159 787 73 France Telecom Transpac 5400 146 221 130 BT Ignite European Backbone 3303 138 620 138 Swisscom Ltd 6746 127 19 112 Dynamic Network Technologies, 12302 126 18 33 MobiFon S.A. 3269 124 1036 64 TELECOM ITALIA 2856 117 1294 107 BTnet UK Regional network LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 356 121 64 ImpSat 8151 255 384 124 UniNet S.A. de C.V. 11172 207 77 44 Servicios Alestra S.A de C.V 16814 156 11 6 NSS, S.A. 6503 137 204 92 AVANTEL, S.A. 7303 137 51 32 Telecom Argentina Stet-France 6505 131 90 91 Global One Communicaoes Ltda 6147 123 78 20 Telefonica Del Peru 11556 87 57 24 Cable-Wireless Panama 11992 78 25 29 Integrated Systems 15311 78 18 38 Telefonica Empresas 6535 77 5 19 Chilesat Servicios Empresari 4270 71 18 9 Red de Interconexion Universi 11311 67 7 20 Sinectis S.A. 7080 66 4 2 Electronica y Comunicaciones 14420 63 4 28 ANDINATEL S.A. 27699 62 168 15 TELECOMUNICACOES DE SAO PAULO 10292 61 6 28 TELECOMMUNICATIONS OF JAMAICA 1916 60 247 40 Fundacao de Amparo a Pesquisa 7738 59 218 13 Telecomunicacoes da Bahia S.A AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 249 632 218 The Internet Solution 5536 104 8 3 Internet Egypt Network 2018 94 297 92 Tertiary Education Network 2905 90 272 80 The Internetworking Company o 2561 57 6 3 Egyptian Universities Network 11845 36 9 11 Data Pro Business Online 3208 33 2 1 ARN Network 9129 26 3 4 UUNET Kenya 16637 25 9 18 Johnnic e-Ventures 5713 24 93 22 Telkom SA Ltd 24835 23 18 6 RAYA Telecom - Egypt 6713 22 38 9 Itissalat Al-MAGHRIB 12455 22 4 2 Jambonet Autonomous system 8524 18 2 4 AUCEGYPT Autonomous System 10798 18 1 12 Standard Bank of South Africa 15706 16 2 3 Sudatel Internet Exchange Aut 15808 16 1 7 Communication Solutions Ltd i 12258 15 3 10 Vodacom Internet Company 17148 14 1 8 First National Bank 8346 13 6 12 SONATEL-AS Autonomous System Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 18566 688 679 Covad Communications 4134 669 551 Data Communications Bureau 4323 686 484 Time Warner Communications, I 6197 732 463 BellSouth Network Solutions, 701 1365 402 UUNET Technologies, Inc. 7843 506 378 Adelphia Corp. 27364 382 359 Armstrong Cable Services 6198 546 350 BellSouth Network Solutions, 5668 347 330 Century Telephone 22909 340 320 Comcast Cable Corporation 9583 341 317 Satyam Infoway Ltd., 22773 343 310 Cox Communications, Inc. Atla 4755 355 296 Videsh Sanchar Nigam Ltd. Aut 4355 397 294 EarthLink, Inc. 6140 356 292 ImpSat 1239 946 286 Sprint 1221 942 277 Telstra Pty Ltd 376 381 267 Reseau Interordinateurs Scien 20115 603 265 Charter Communications 9443 345 265 Primus Telecommunications List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65412 PRIVATE 64.70.42.0/24 3561 Cable & Wireless USA 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 23861 UNALLOCATED 210.93.46.0/24 3786 DACOM Corporation 23861 UNALLOCATED 210.93.47.0/24 3786 DACOM Corporation Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 132.0.0.0/10 568 DISO-UNRRA 137.0.0.0/13 568 DISO-UNRRA 156.246.0.0/16 9317 Inha University 158.0.0.0/13 568 DISO-UNRRA 192.43.230.0/24 4738 South Australian Academic Res 192.44.0.0/19 702 UUNET - Commercial IP service 192.83.16.0/20 5515 Sonera Solution Autonomous Sy 192.83.32.0/19 5515 Sonera Solution Autonomous Sy 192.83.96.0/22 5515 Sonera Solution Autonomous Sy 192.83.100.0/24 5515 Sonera Solution Autonomous Sy 192.84.205.0/24 719 LANLINK autonomous system 192.119.135.0/24 270 NASA 192.135.50.0/24 7018 AT&T 192.136.79.0/24 719 LANLINK autonomous system 192.172.0.0/19 568 DISO-UNRRA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:20 /9:4 /10:6 /11:15 /12:58 /13:105 /14:286 /15:503 /16:7567 /17:1888 /18:3482 /19:8953 /20:9306 /21:6786 /22:9574 /23:11134 /24:72960 /25:187 /26:277 /27:154 /28:27 /29:5 /30:16 /31:0 /32:11 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 671 688 Covad Communications 6197 573 732 BellSouth Network Solutions, 7018 499 1399 AT&T 3356 438 817 Level 3 Communications, LLC 702 417 685 UUNET - Commercial IP service 6198 394 546 BellSouth Network Solutions, 701 392 1365 UUNET Technologies, Inc. 7066 392 498 Virginia Polytechnic Institut 20115 375 603 Charter Communications 27364 375 382 Armstrong Cable Services 690 361 398 Merit Network 1239 332 946 Sprint 5668 305 347 Century Telephone 19029 255 387 New Edge Networks 4766 247 414 Korea Internet Exchange for " 25844 244 244 Skadden, Arps, Slate, Meagher 3320 232 284 Deutsche Telekom AG 6517 224 248 Yipes Communications, Inc. 6386 221 247 bellsouth.net, inc. 13609 220 260 Choice One Communications Inc Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 12:776 13:1 15:6 16:1 17:3 20:8 24:844 32:84 38:45 40:26 44:2 55:1 56:1 57:14 61:374 62:466 63:1821 64:1841 65:1888 66:2371 67:274 68:608 69:412 80:482 81:225 82:76 83:2 128:141 129:264 130:78 131:78 132:16 134:172 135:16 136:186 137:111 138:149 139:39 140:160 141:135 142:103 143:48 144:80 145:39 146:282 147:75 148:329 149:84 150:122 151:62 152:215 153:60 154:1 155:137 156:66 157:56 158:149 159:143 160:47 161:52 162:372 163:72 164:323 165:159 166:106 167:210 168:179 169:97 170:295 171:8 192:5524 193:2590 194:2010 195:1319 196:522 198:3639 199:2948 200:3040 201:7 202:4428 203:5475 204:3020 205:1999 206:2267 207:2599 208:2407 209:2864 210:1057 211:451 212:905 213:1029 214:25 215:27 216:3397 217:839 218:119 219:96 220:167 221:18 222:1 End of report
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